update dockerfile

Dockerfile

@@ -1,20 +1,31 @@
-# Use an official Python runtime as a parent image
-FROM python:3.11-slim
+# Use the official Python 3.9 image
+FROM python:3.9
 
-# Set the working directory in the container
-WORKDIR /app
+# Set the working directory to /code
+WORKDIR /code
 
-# Copy the requirements file into the container
-COPY requirements.txt .
+# Copy the requirements file into the container at /code
+COPY requirements.txt /code/requirements.txt
 
-# Install any dependencies
-RUN pip install --no-cache-dir -r requirements.txt
+# Install requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-# Copy the rest of the application code into the container
-COPY . .
+# Set up a new user named "user" with user ID 1000
+RUN useradd -m -u 1000 user
+# Switch to the "user" user
+USER user
+# Set home to the user's home directory
+ENV HOME=/home/user \
+	PATH=/home/user/.local/bin:$PATH
 
-# Expose the port that the app runs on (default 8501)
-EXPOSE 8501
+# Set the working directory to the user's home directory
+WORKDIR $HOME/app
+
+# Copy the current directory contents into the container at $HOME/app setting the owner to the user
+COPY --chown=user . $HOME/app
+
+# Expose the port that the app runs on
+EXPOSE 7860
 
 # Command to run the application
-CMD ["streamlit", "run", "app.py"]
+CMD ["streamlit", "run", "app.py", "--server.address=0.0.0.0", "--server.port=7860"]